Eleanor Elizabeth Bamber (born 2 February 1997) is an English actress. In 2018, she won third prize at the Ian Charleson Awards for her 2017 performance as Hilde in The Lady from the Sea at the Donmar Warehouse. She was in Tom Ford's feature film Nocturnal Animals and the BBC One television series, Les Misérables, as Cosette.
Bamber was born in Surrey, England, and has a younger brother, Lucas. She attended Hawley Place School. She also attended Eagle House and Wellington College, having been awarded full Drama Scholarships at both.
At the age of 12, she became the youngest member of the Players' Theatre Club. At the age of 13 she was chosen from by Sir Trevor Nunn to play the role of ‘Young Jenny’ in his production of Aspects of Love at the Menier Chocolate Factory. After roles in TV and films, she returned to musical theatre when she was selected for a lead role as the disruptive teenager ‘Dinah Lord’ in High Society at The Old Vic, London. Directed by Maria Friedman, this was the last production under Kevin Spacey’s tenure as Artistic Director. Following the run, in November 2015, she was nominated for the ‘Evening Standard Theatre Award’ for ‘Best Newcomer in a Musical’. In 2017 she was Hilde in The Lady from the Sea, directed by Kwame Kwei-Armah at the Donmar Warehouse, and her performance won third prize at the Ian Charleson Awards.